What was considered impolite years ago has become ________ now.[ ]

eof the financial crisis, days are gone _ _ local 5-starhotels charged 6,000 yuan for one night.

When I was in London,at first I had no idea where I could my RMB for pounds. [ ]

Doctor! I can’t fall at night.—Don’t worry! You are too stressed. Just be relaxed and take some pills, then you’ll be better.

_____ poor I am ! I ‘m going to find some part-time jobs.